A GIF Odyssey
summary
Describes a hobby project that scrapes GIFs from Tumblr, plays them fullscreen and beat-matches them to music from Rdio, using web tech to build an “instant GIF party.” Covers implementing a binary GIF parser in JavaScript versus compiling C with Emscripten, detecting GIF pacing/rhythm, synchronizing audio, metadata and external resources within requestAnimationFrame, repurposing CloudFront to proxy CDNs and avoid same-origin issues, using EchoNest for deep audio analysis, and employing Heroku/Node.js plus optional microphone-based ambient beat detection.
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